Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

Lat: 42.8975°NLon: 106.47306°WElev: 5348.0ft.

Overcast

30°F

-1°C

Humidity 92%
Wind Speed ESE 3 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 09 Dec 09:00 PM MST
Extended Forecast for

Casper WY

High Wind Warning December 9, 09:20pm until December 11, 05:00am
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning December 9, 09:20pm until December 11, 05:00am

    NOW until 5:00am Thu

    High Wind Warning

  • Tonight

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55. Windy, with a southwest wind 13 to 18 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 55 °F

    Partly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. Windy, with a southwest wind 24 to 28 mph, with gusts as high as 41 mph.

    Low: 44 °F

    Mostly Cloudy
    and Windy

  • Thursday

    Thursday: Partly sunny, with a high near 56. Windy, with a southwest wind 20 to 26 mph, with gusts as high as 39 mph.

    High: 56 °F

    Partly Sunny
    and Windy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. Breezy, with a west southwest wind 10 to 16 mph, with gusts as high as 25 mph.

    Low: 33 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 52. Breezy, with a southwest wind 9 to 15 mph, with gusts as high as 22 mph.

    High: 52 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 31 mph.

    Low: 32 °F

    Mostly Cloudy
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 46. Breezy.

    High: 46 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 31. West wind 8 to 13 mph becoming south after midnight.
Wednesday
Partly sunny, with a high near 55. Windy, with a southwest wind 13 to 18 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph.
Wednesday Night
Mostly cloudy, with a low around 44. Windy, with a southwest wind 24 to 28 mph, with gusts as high as 41 mph.
Thursday
Partly sunny, with a high near 56. Windy, with a southwest wind 20 to 26 mph, with gusts as high as 39 mph.
Thursday Night
Mostly cloudy, with a low around 33. Breezy, with a west southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Friday
Partly sunny, with a high near 52. Breezy, with a southwest wind 9 to 15 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 32. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 31 mph.
Saturday
Mostly sunny, with a high near 46. Breezy.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 56. Breezy.
Sunday Night
Partly cloudy, with a low around 35. Breezy.
Monday
Mostly sunny, with a high near 53. Breezy.
Monday Night
Partly cloudy, with a low around 36. Breezy.
Tuesday
Mostly sunny, with a high near 53. Breezy.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Casper WY
 42.85°N 106.34°W (Elev. 5154 ft)
7:47 pm MST Dec 9, 2025
9pm MST Dec 9, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database